 To know it thoroughly involves knowing its quantity as well as its quality. Education is concerned with changes in human beings; a change is a difference between two conditions; each of these conditions is known to us only by the products produced by...  The Supervision of Instruction: A General Volume - Page 310by Arvil Sylvester Barr, William Henry Burton - 1926 - 626 pagesFull view - About this book
 | United States. Congress. House. Committee on Education and Labor - 1972 - 1578 pages
...two conditions; each of these conditions is known to us only by the products produced by it—things made. words spoken, acts performed, and the like....define its amount that competent persons will know how larpe it is, with some precision, and that this knowledge may be conveniently recorded and used. This... | |
 | Denise Gelberg - 1997 - 352 pages
...between two conditions; each of these conditions is known to us only by the products produced by it.... To measure any of these products means to define its...that competent persons ... will know how large it is, with some precision, and that this knowledge may be recorded and used. This is the Credo of those who,... | |
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